Publications
SLATE Performance Improvements: QR and Eigenvalues,”
SLATE Working Notes, no. 17, ICL-UT-21-02, April 2021.
(2 MB)
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SLATE Port to AMD and Intel Platforms,”
SLATE Working Notes, no. 16, ICL-UT-21-01, April 2021.
(890.75 KB)
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A survey of numerical linear algebra methods utilizing mixed-precision arithmetic,”
The International Journal of High Performance Computing Applications, vol. 35, no. 4, pp. 344–369, 2021.
“Translational process: Mathematical software perspective,”
Journal of Computational Science, vol. 52, pp. 101216, 2021.
“Accelerating Geostatistical Modeling and Prediction With Mixed-Precision Computations: A High-Productivity Approach With PaRSEC,”
IEEE Transactions on Parallel and Distributed Systems, vol. 33, issue 4, pp. 964 - 976, April 2022.
“Addressing Irregular Patterns of Matrix Computations on GPUs and Their Impact on Applications Powered by Sparse Direct Solvers,”
2022 International Conference for High Performance Computing, Networking, Storage and Analysis (SC22), Dallas, TX, IEEE Computer Society, pp. 354-367, November 2022.
(1.57 MB)
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Analysis of the Communication and Computation Cost of FFT Libraries towards Exascale,”
ICL Technical Report, no. ICL-UT-22-07: Innovative Computing Laboratory, July 2022.
(5.91 MB)
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Batch QR Factorization on GPUs: Design, Optimization, and Tuning,”
Lecture Notes in Computer Science, vol. 13350, Cham, Springer International Publishing, June 2022.
“Communication Avoiding LU with Tournament Pivoting in SLATE,”
SLATE Working Notes, no. 18, ICL-UT-22-01, January 2022.
(3.74 MB)
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Comparing Distributed Termination Detection Algorithms for Modern HPC Platforms,”
International Journal of Networking and Computing, vol. 12, issue 1, pp. 26 - 46, January 2022.
“Computational science for a better future,”
Journal of Computational Science, vol. 62, pp. 101745, July 2022.
“Deep Gaussian process with multitask and transfer learning for performance optimization,”
2022 IEEE High Performance Extreme Computing Conference (HPEC), pp. 1-7, September 2022.
“Evaluating Data Redistribution in PaRSEC,”
IEEE Transactions on Parallel and Distributed Systems, vol. 33, no. 8, pp. 1856-1872, August 2022.
(3.19 MB)
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The evolution of mathematical software,”
Communications of the ACM, vol. 65227, issue 12, pp. 66 - 72, December 2022.
“FFT Benchmark Performance Experiments on Systems Targeting Exascale,”
ICL Technical Report, no. ICL-UT-22-02, March 2022.
(5.87 MB)
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A Framework to Exploit Data Sparsity in Tile Low-Rank Cholesky Factorization,”
IEEE International Parallel and Distributed Processing Symposium (IPDPS), July 2022.
(1.03 MB)
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Lossy all-to-all exchange for accelerating parallel 3-D FFTs on hybrid architectures with GPUs,”
2022 IEEE International Conference on Cluster Computing (CLUSTER), pp. 152-160, September 2022.
“Mixed precision and approximate 3D FFTs: Speed for accuracy trade-off with GPU-aware MPI and run-time data compression,”
ICL Technical Report, no. ICL-UT-22-04, May 2022.
(706.14 KB)
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PAQR: Pivoting Avoiding QR factorization,”
ICL Technical Report, no. ICL-UT-22-06, June 2022.
(364.85 KB)
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Performance Analysis of Parallel FFT on Large Multi-GPU Systems,”
2022 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW), Lyon, France, IEEE, August 2022.
“Randomized Numerical Linear Algebra: A Perspective on the Field with an Eye to Software,”
University of California, Berkeley EECS Technical Report, no. UCB/EECS-2022-258: University of California, Berkeley, November 2022.
(1.05 MB)
(1.54 MB)
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Reinventing High Performance Computing: Challenges and Opportunities,”
ICL Technical Report, no. ICL-UT-22-03, March 2022.
(1.36 MB)
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Report on the Oak Ridge National Laboratory's Frontier System,”
ICL Technical Report, no. ICL-UT-22-05, May 2022.
(16.87 MB)
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Reshaping Geostatistical Modeling and Prediction for Extreme-Scale Environmental Applications,”
2022 International Conference for High Performance Computing, Networking, Storage and Analysis (SC22), Dallas, TX, IEEE Press, November 2022.
“Threshold Pivoting for Dense LU Factorization,”
ScalAH22: 13th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Heterogeneous Systems , Dallas, Texas, IEEE, November 2022.
(721.77 KB)
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Using long vector extensions for MPI reductions,”
Parallel Computing, vol. 109, pp. 102871, March 2022.
“Combining multitask and transfer learning with deep Gaussian processes for autotuning-based performance engineering,”
The International Journal of High Performance Computing Applications, March 2023.
“Generalizing Random Butterfly Transforms to Arbitrary Matrix Sizes
: arXiv, December 2023.
GPU-based LU Factorization and Solve on Batches of Matrices with Band Structure,”
SC-W 2023: Workshops of The International Conference on High Performance Computing, Network, Storage, and Analysis, Denver, CO, ACM, November 2023.
“HPC Forecast: Cloudy and Uncertain,”
Communications of the ACM, vol. 66, issue 2, pp. 82 - 90, January 2023.
“Memory Traffic and Complete Application Profiling with PAPI Multi-Component Measurements
, St. Petersburg, FL, 28th HIPS Workshop, May 2023.
(3.99 MB)
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Memory Traffic and Complete Application Profiling with PAPI Multi-Component Measurements,”
2023 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW), St. Petersburg, Florida, IEEE, August 2023.
(1.81 MB)
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Mixed Precision Algebraic Multigrid on GPUs,”
Parallel Processing and Applied Mathematics (PPAM 2022), vol. 13826, Cham, Springer International Publishing, April 2023.
“PAQR: Pivoting Avoiding QR factorization,”
2023 IEEE International Parallel and Distributed Processing Symposium (IPDPS), St. Petersburg, FL, USA, IEEE, 2023.
“Task-Based Polar Decomposition Using SLATE on Massively Parallel Systems with Hardware Accelerators,”
SC-W '23: Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, Network, Storage, and Analysis, Denver, CO, ACM, November 2023.
“Using Additive Modifications in LU Factorization Instead of Pivoting,”
37th ACM International Conference on Supercomputing (ICS'23), Orlando, FL, ACM, June 2023.
(624.18 KB)
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Computation at the Cutting Edge of Science,”
Journal of Computational Science, June 2024.
“XaaS: Acceleration as a Service to Enable Productive High-Performance Cloud Computing
: arXiv, January 2024.